The will leave for Shanghai after three days.(有一处错误,清说明理由)

The will leave for Shanghai after three days.(有一处错误,清说明理由)
The will leave for Shanghai after three days.(有一处错误,清说明理由)

The will leave for Shanghai after three days.(有一处错误,清说明理由)
after ---in
有will do ,be going to do 等将来含义的标志时,用in+一段时间表示将来时